Some theorists believe "Quack Prep" is a nickname for a minor character who attended the same prep school as (Noelle’s missing sister). In this dark timeline, Dess was teased by a group of duck-themed prep students. The quack represents the mocking laughter. When Noelle finally finds Dess in Chapter 5, she will have to confront the "Quack Prep" gang. This plays into Deltarune ’s themes of bullying and trauma.
: The inherent silliness of bringing a literal duck machine into a serious RPG battle became a staple of fan-made mods and "high quality" shitposts. Key Elements of "Quack Prep" Projects Fan iterations often include: quack prep deltarune